Yingyi Bu has posted comments on this change.

Change subject: ASTERIXDB-1451: Remove Record Casting for insert/delete/upsert
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Patch Set 5: Code-Review+1

(1 comment)

https://asterix-gerrit.ics.uci.edu/#/c/1146/5/asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/IntroduceSecondaryIndexInsertDeleteRule.java
File 
asterixdb/asterix-algebra/src/main/java/org/apache/asterix/optimizer/rules/IntroduceSecondaryIndexInsertDeleteRule.java:

Line 208:         Map<IndexFieldId, LogicalVariable> 
fieldVarsForBeforeOperation = new HashMap<>();
Can you add some comments to describe what those two maps are used for?  E.g., 
"for the situation there are multiple composite key indexes...."

This will help me a lot to understand injectFieldAccessesForIndexes(...)?

(I have been staring on those for some time but couldn't understand the purpose 
of them:-))


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Gerrit-MessageType: comment
Gerrit-Change-Id: I6a80105798ea1c86a6a0eb69a79b9573b54931b7
Gerrit-PatchSet: 5
Gerrit-Project: asterixdb
Gerrit-Branch: master
Gerrit-Owner: abdullah alamoudi <[email protected]>
Gerrit-Reviewer: Jenkins <[email protected]>
Gerrit-Reviewer: Yingyi Bu <[email protected]>
Gerrit-Reviewer: abdullah alamoudi <[email protected]>
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